没有埋刮板输送机经常出现的卡链、飘链、断链现象和斗式提升机经常发生的打滑、掉斗现象。
Often appear no buried scraper conveyor, disconnection of chain and chain, and the bucket elevator, off the bucket of a spin occur frequently.
没有埋刮板输送机经常出现的卡链、飘链、断链现象和斗式提升机经常发生的打滑、掉斗现象。
Often appear no buried scraper conveyor, disconnection of chain and chain, and the bucket elevator, off the bucket of a spin occur frequently.
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